3680423

Information

• Patent Grant
• 3680423

• References
• Source

• Patent Number

  3,680,423

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • G10D15/00 - Combinations of different musical instruments
  • G10H3/18 - using a string

• US Classifications

  • 084 - Music
  • 984 - Musical instruments